Smoothie maker



FIG. 1 is a front perspective view of a smoothie maker;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a back elevation view thereof; and,

FIG. 6 is a top view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a smoothie maker, as shown and described. 